Quiescent Phase: It is the stage wherein cells remain metabolically active but do not proliferate unless called to do so. Such cells are used for replacing the cells lost during injury.

Some cells in the adult animals do not appear to exhibit division (e.g., heart cells) and many other cells divide only occasionally. The cells in the Quiescent phase have low RNA content and lack of cell proliferation markers.

Quiescent Phase

• These cells that do not divide further exist G₁ phase to enter an inactive stage called quiescent stage (G₀) of the cell cycle.
• Cells in this stage remain metabolically active but no longer proliferate unless called on to do so depending on the requirement of the organism.

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By Team Learning Mantras